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Time flies by fast vs time flies by fastly

The correct phrase is 'time flies by fast.' The adverb 'fast' is used to modify the verb 'flies' to indicate the speed at which time passes. 'Fastly' is not a standard adverb in English, so it is incorrect to use it in this context.

Last updated: March 26, 2024 • 474 views

Time flies by fast

This phrase is correct and commonly used in English.

This phrase is used to express how quickly time passes.

Examples:

  • Time flies by fast when you're having fun.
  • I can't believe how time flies by fast during the holidays.
  • Time flies by fast when you're with good company.
  • It's amazing how time flies by fast when you're busy.
  • Time flies by fast when you're enjoying what you're doing.
  • With three kids, time flies by.
  • Madam President, Commissioner, in this House, time flies by irretrievably.
  • This is really making the time fly by.
  • Time flies by like a shooting arrow
  • Many people complain about having to do a long drive, but on this one, we really had hit on a brilliant way of making the time fly by.
  • This'll make the time fly by, won't it?
  • Time Flies By At Home After A Shift
  • Defenestrate your clock to see how time flies.
  • George Romero's classics fly by.
  • The older you get, the faster time flies until months pass like days.
  • Time flies when I'm baking.
  • Inside the OR, the best surgeons make time fly.
  • The bad news is that time flies.
  • Time flies when you have a child.
  • Time flies when you're playing games.
  • It's crazy how time flies.
  • Bringing him up, his husband's businesses... time flies.
  • He wanted to see time fly.
  • Time flies when every day's the same.
  • Time flies swiftly In this garden of learning

time flies by fastly

This phrase is incorrect in English. 'Fastly' is not a standard adverb and should not be used in this context.

  • With three kids, time flies by.
  • Madam President, Commissioner, in this House, time flies by irretrievably.
  • This is really making the time fly by.
  • Time flies by like a shooting arrow
  • Many people complain about having to do a long drive, but on this one, we really had hit on a brilliant way of making the time fly by.
  • This'll make the time fly by, won't it?
  • Time Flies By At Home After A Shift
  • Defenestrate your clock to see how time flies.
  • George Romero's classics fly by.
  • The older you get, the faster time flies until months pass like days.
  • Time flies when I'm baking.
  • Inside the OR, the best surgeons make time fly.
  • The bad news is that time flies.
  • Time flies when you have a child.
  • Time flies when you're playing games.
  • It's crazy how time flies.
  • Bringing him up, his husband's businesses... time flies.
  • He wanted to see time fly.
  • Time flies when every day's the same.
  • Time flies swiftly In this garden of learning

Alternatives:

  • time flies by quickly
  • time passes quickly
  • time goes by fast
  • time goes by quickly
  • time flies by rapidly

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